First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
Related
Darkheart Robe Game Data
Appearance
In the Appearances collection, Darkheart Robe is listed as Boss Drop. Appearance IDs: 40858, 40862, 40859, 40863. 4 other items wear the same appearance:
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Darkheart Robe Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Darkheart Robe suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Transmog Sets
Darkheart Robe is part of the transmog set Treacherous Schemer's Leathers (Rogue, Monk, Druid and Demon Hunter only), which the Appearances collection lists in 4 versions. The other 16 pieces:
Blizzard numbers items as they are created, so the named items next to ID 174131 (174126 to 174136) were usually added in the same batch as Darkheart Robe: the same quest line, zone, vendor or reward set.